<p><strong>Row after row of silver bricks lie stacked aboard the sunken S.S. <em>Gairsoppa,</em> torpedoed in the North Atlantic by a Nazi U-boat in 1941. The <a href="http://www.shipwreck.net/">Odyssey Marine Exploration</a> salvage company this month announced it had retrieved 48 of the 240 tons of silver in the <a href="http://travel.nationalgeographic.com/travel/countries/united-kingdom-guide/">British</a> merchant steamship's hull.</strong></p><p>The 412-foot (126-meter) <em>Gairsoppa </em>currently resides nearly 3 miles (4.7 kilometers) underwater—deeper than the<em> <a href="http://ngm.nationalgeographic.com/2012/04/titanic/sides-text">Titanic</a>.</em> The World War II-era vessel's silver is the heaviest and deepest precious-metal cargo ever retrieved from a shipwreck, according to Odyssey, which plans to return to the site to continue the salvage operation.</p><p>(Related: Read <a href="http://ngm.nationalgeographic.com/2006/07/blackbeard-shipwreck/bourne-text">"Blackbeard's Shipwreck"</a> in <em>National Geographic </em>magazine.)</p><p><em>—Kastalia Medrano</em></p>

Heavy Metal

Row after row of silver bricks lie stacked aboard the sunken S.S. Gairsoppa, torpedoed in the North Atlantic by a Nazi U-boat in 1941. The Odyssey Marine Exploration salvage company this month announced it had retrieved 48 of the 240 tons of silver in the British merchant steamship's hull.

The 412-foot (126-meter) Gairsoppa currently resides nearly 3 miles (4.7 kilometers) underwater—deeper than the Titanic. The World War II-era vessel's silver is the heaviest and deepest precious-metal cargo ever retrieved from a shipwreck, according to Odyssey, which plans to return to the site to continue the salvage operation.

(Related: Read "Blackbeard's Shipwreck" in National Geographic magazine.)

—Kastalia Medrano

Photograph courtesy Odyssey Marine Exploration

WWII Wreck Photos: 48 Tons of Silver Recovered 3 Miles Down

Forty-eight tons of silver have been freed from a shipwreck off Ireland—the deepest precious-metal cargo ever recovered, salvagers say.

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